package com.easy_helth.controller;

import com.easy_helth.common.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.UUID;

@Slf4j
@RestController
@RequestMapping("/common")
public class CommonController {

    @Value("${Riggie.path}")
    String basePath;

    @Value("${Riggie.video}")
    String baseVideoPath;



    /**
     * 文件上传
     * @param file
     * @return
     */
    @PostMapping("/upload")
    public R<String> upload(MultipartFile file){

//        创建目录对象
        File dir = new File(basePath);
//        判断存在
        if (!dir.exists()){
            dir.mkdirs();
        }

        //原始文件名
        String originalFilename = file.getOriginalFilename();
        //获取格式
       String suffix = originalFilename.substring(originalFilename.lastIndexOf("."));

        String filename = UUID.randomUUID().toString() + suffix;

        try {
            file.transferTo(new File(basePath + filename));
        }catch (IOException e){
            e.printStackTrace();
        }
        return R.success(filename);
    }

//    上传video
    @PostMapping("/uploadVideo")
    public R<String> uploadVideo(MultipartFile file) {

//        创建目录对象
        File dir = new File(baseVideoPath);
//        判断存在
        if (!dir.exists()){
            dir.mkdirs();
        }

        //原始文件名
        String originalFilename = file.getOriginalFilename();
        //获取格式
        String suffix = originalFilename.substring(originalFilename.lastIndexOf("."));

        String filename = UUID.randomUUID().toString() + suffix;

        try {
            file.transferTo(new File(baseVideoPath + filename));
        }catch (IOException e){
            e.printStackTrace();
        }
        return R.success(filename);
    }






    @GetMapping("/download")
    public void download(String name, HttpServletResponse response){
        try {
//            通过输入流得到数据
            FileInputStream fileInputStream = new FileInputStream(new File(basePath +name ));
//            通过输出流回流到浏览器
            ServletOutputStream outputStream = response.getOutputStream();

            response.setContentType("image/jpg");

            int len = 0;
            byte[] bytes = new byte[1024];
            while ( (len = fileInputStream.read(bytes)) != -1){
                outputStream.write(bytes,0,len);
                outputStream.flush();
            }
//            关闭资源
            outputStream.close();
            fileInputStream.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }




    /**
     * 获取视频
     * @param
     * @param response
     * @throws Exception
     */
    @GetMapping("/video")
    public void getPlayResource(String name, HttpServletResponse response) throws Exception {
        try {
//            通过输入流得到数据
            FileInputStream fileInputStream = new FileInputStream(new File(baseVideoPath + name));
//            通过输出流回流到浏览器
            ServletOutputStream outputStream = response.getOutputStream();

            response.setContentType("video/mp4");

            int len = 0;
            byte[] bytes = new byte[1024];
            while ((len = fileInputStream.read(bytes)) != -1) {
                outputStream.write(bytes, 0, len);
                outputStream.flush();
            }
//            关闭资源
            outputStream.close();
            fileInputStream.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


}
